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Finding the Fourth Proportional to 468,804.55, 646,953.38 and 253,944.61

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Solution

The fourth proportional to 468,804.55, 646,953.38 and 253,944.61 is: 350,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,804.55 : 646,953.38 = 253,944.61 : x
  2. Step 2: Convert to fraction form
    468,804.55/646,953.38 = 253,944.61/x
  3. Step 3: Cross multiply
    468,804.55x = 646,953.38 × 253,944.61
  4. Step 4: Simplify right side
    468,804.55x = 164,290,323,772.28
  5. Step 5: Solve for x
    x = 164,290,323,772.28/468,804.55
  6. Step 6: Final answer
    x = 350,445.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.